Is there an alternative for using mbox to prevent ugly hyphenation in the toc

Question

Assume I have a long chapter title chapter{one two three four five six seven eight nine ten} that appears in the table of contents like this:

one two three four five six se-

ven eight nine ten

This seems ugly to me. I would like to have it like:

one two three four five six

seven eight nine ten

But if I use chapter{one two three four five six mbox{seven} eight nine ten} the line in the table of contents will be too long, so is there an alternative to have a linebreak in the table of contents without hyphenation and without having a line that is too long?

js bibra · Accepted Answer

If you want to disable hyphenation for all entries in ToC, LoF and LoT:

(Remember to compile code twice)

documentclass[b5paper,12pt,twoside]{book}
usepackage[pdfspacing]{classicthesis}
usepackage{arsclassica}
usepackage[inner=2.2cm,outer=1.8cm,bottom=2.7cm,top=2.5cm]{geometry}
usepackage[T1]{fontenc}
usepackage[utf8]{inputenc} 
usepackage{lipsum}
usepackage[english]{babel}

titleformat{section}
{raggedright}{textsc{MakeTextLowercase{thesection}}}{1em}{spacedlowsmallcaps}

makeatletter
renewcommand{@tocrmarg}{2.55em plus1fil}
makeatother

begin{document}
frontmatter
tableofcontents
cleardoublepage
mainmatter
chapter{Test Chapter}
section{The Separation Axioms and Continuous Real-Valued Functions}
lipsum
end{document}

Taken from--https://tex.stackexchange.com/a/430273/197451

Is there an alternative for using mbox to prevent ugly hyphenation in the toc

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